For example, alpha-2,8-sialytransferase 1 (ST8SIA1) and beta-1,4-N-acetyl-galactosaminyltransferase 1 (B4GALNT1), regulated by miR-33a and let-7e, increase expression of gangliosides (GD2 and GD3) in ovarian cancer [32]. This evidence concerns the gene B4GALNT1 and ovarian carcinoma.